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Display Filter Reference: Link Access Procedure, Channel D (LAPD)

Protocol field name: lapd

Versions: 1.0.0 to 4.2.3

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Field name Description Type Versions
lapd.abortAbortBoolean1.10.0 to 1.10.14
lapd.abort.expertFormatted messageLabel1.12.0 to 4.2.3
lapd.addressAddress FieldUnsigned integer (16 bits)1.0.0 to 4.2.3
lapd.checksumChecksumUnsigned integer (16 bits)1.2.0 to 4.2.3
lapd.checksum.statusChecksum StatusUnsigned integer (8 bits)2.2.0 to 4.2.3
lapd.checksum_badBad ChecksumBoolean1.2.0 to 2.0.16
lapd.checksum_bad.expertBad FCSLabel1.12.0 to 4.2.3
lapd.checksum_goodGood ChecksumBoolean1.2.0 to 2.0.16
lapd.controlControl FieldUnsigned integer (16 bits)1.0.0 to 4.2.3
lapd.control.fFinalBoolean1.0.0 to 4.2.3
lapd.control.ftypeFrame typeUnsigned integer (16 bits)1.0.0 to 4.2.3
lapd.control.n_rN(R)Unsigned integer (16 bits)1.0.0 to 4.2.3
lapd.control.n_sN(S)Unsigned integer (16 bits)1.0.0 to 4.2.3
lapd.control.pPollBoolean1.0.0 to 4.2.3
lapd.control.s_ftypeSupervisory frame typeUnsigned integer (16 bits)1.0.0 to 4.2.3
lapd.control.u_modifier_cmdCommandUnsigned integer (8 bits)1.0.0 to 4.2.3
lapd.control.u_modifier_respResponseUnsigned integer (8 bits)1.0.0 to 4.2.3
lapd.crC/RUnsigned integer (16 bits)1.0.0 to 4.2.3
lapd.directionDirectionUnsigned integer (32 bits)1.0.0 to 4.2.3
lapd.ea1EA1Unsigned integer (16 bits)1.0.0 to 4.2.3
lapd.ea2EA2Unsigned integer (16 bits)1.0.0 to 4.2.3
lapd.sapiSAPIUnsigned integer (16 bits)1.0.0 to 4.2.3
lapd.teiTEIUnsigned integer (16 bits)1.0.0 to 4.2.3